\documentclass[12pt,a4paper,polish]{article}

\topmargin -1.6cm
\addtolength{\textheight}{4cm}
\textwidth  15.5cm

\leftmargin      5mm
\rightmargin     5mm
\oddsidemargin   5mm
\evensidemargin  5mm
%dodać pakiety polski, hyperrdef i pslatex 

\usepackage[utf8]{inputenc}
%\usepackage{pslatex}
\usepackage{graphicx}


\date{\today}



\makeatletter
\newcommand{\linia}{\rule{\linewidth}{0.4mm}}
\renewcommand{\maketitle}{\begin{titlepage}
    \vspace*{1cm}
    \begin{center}\small
    University of Technology in Wrocław\\
    Electronics department\\
    Advanced Applied Electronics faculty
    \end{center}
    \vspace{3cm}
    \noindent\linia
    \begin{center}
      \LARGE \textsc{\@title}
         \end{center}
     \linia
    \vspace{0.5cm}
    \begin{flushright}
    \begin{minipage}{5cm}
    \textit{\small Author:}\\
    \normalsize \textsc{\@author} \par
    \end{minipage}
    \vspace{2.5cm}
    \hspace{8cm}\\
     {\small Instructor:}\\
        Dr inż. Tomasz Podżorny
     \end{flushright}  
    \vspace*{\stretch{5}}
    \begin{center}
    \@date\\
    Wrocław
    \end{center}
  \end{titlepage}%
}
\makeatother
\title{Advanced Microcontrollers\\ Project report}
\author{Dora Sumisławska\\Album nr: 163110 \\163110@student.pwr.wroc.pl\\\\
Michał Kot\\Album nr: 163065 \\163065@student.pwr.wroc.pl\\\\
Dawid Sysak\\Album nr: 163166 \\163166@student.pwr.wroc.pl\\\\}  
\title{Filtering and visualisation of audio filter module}  

\begin{document}
\maketitle
$
[x_{a2}\\y_{a2}]=[L+l_1 c_{a1} +l_2 c_{a1+a2}\\l_1 s_{a1} +l_2 s_{a1+a2}]$ \\
$[x_{b2}\\y_{b2}]=[-L+l_1 c_{b1} +l_2 c_{b1+b2}\\l_1 s_{b1} +l_2 s_{b1+b2}] $ \\
$[x_3\\y_3] $
$+\pi/2. $ \\
$(x_{b2}-x_{a2})^2+(y_{b2}-y_{a2})^2=l_3^2 $ \\
$[x_3,y_3,\theta_3] $ \\


\end{document}